Update sbt-github, sbt-github-header, ... to 0.11.6

Author: 47erbot

project/plugins.sbt

@@ -1,9 +1,9 @@
 addSbtPlugin("com.github.sbt"      % "sbt-ci-release"           % "1.5.10")
 addSbtPlugin("org.scalameta"       % "sbt-scalafmt"             % "2.5.0")
 addSbtPlugin("de.heikoseeberger"   % "sbt-header"               % "5.9.0")
-addSbtPlugin("com.alejandrohdezma" % "sbt-github"               % "0.11.4")
-addSbtPlugin("com.alejandrohdezma" % "sbt-github-header"        % "0.11.4")
-addSbtPlugin("com.alejandrohdezma" % "sbt-github-mdoc"          % "0.11.4")
+addSbtPlugin("com.alejandrohdezma" % "sbt-github"               % "0.11.6")
+addSbtPlugin("com.alejandrohdezma" % "sbt-github-header"        % "0.11.6")
+addSbtPlugin("com.alejandrohdezma" % "sbt-github-mdoc"          % "0.11.6")
 addSbtPlugin("com.alejandrohdezma" % "sbt-remove-test-from-pom" % "0.1.0")
 addSbtPlugin("org.scalameta"       % "sbt-mdoc"                 % "2.3.6")
 addSbtPlugin("com.typesafe.sbt"    % "sbt-ghpages"              % "0.6.3")